加 -ed，注意发音和拼写规则
| 原形 | 过去式 | 规则 |
|---|---|---|
| walk | walked | +ed |
| look | looked | +ed |
| play | played | y→i+ed ✗ 直接+ed |
| like | liked | e结尾只+d |
| live | lived | e结尾只+d |
| stop | stopped | 双写+ed |
| plan | planned | 双写+ed |
| carry | carried | 辅音+y→ied |
| study | studied | 辅音+y→ied |
| worry | worried | 辅音+y→ied |
没有规则，必须逐个记住
| 原形 | 过去式 | 记忆提示 |
|---|---|---|
| is / am | was | 我/他过去是 |
| are | were | 你们过去是 |
| go | went | 去了→went |
| eat | ate | 吃了→ate（饿） |
| see | saw | 看见了→saw（锯） |
| do | did | 做了→did |
| have | had | 有了→had |
| come | came | 来了→came |
| take | took | 拿了→took |
| make | made | 做了→made |
| give | gave | 给了→gave |
| get | got | 得到→got |
| read | read /red/ | 拼写不变发音变！ |
| run | ran | 跑了→ran |
| swim | swam | 游了→swam |
| find | found | 找到了→found ⭐ |
| buy | bought | 买了→bought |
| think | thought | 想了→thought |
| catch | caught | 抓住了→caught |
| teach | taught | 教了→taught |
| can | could | 能→could |
| say | said | 说了→said |
| feel | felt | 感觉→felt |
| keep | kept | 保持→kept |
| leave | left | 离开→left |
| lose | lost | 丢了→lost |
| meet | met | 遇见→met |
| put | put | 拼写不变！ |
| sit | sat | 坐了→sat |
| sleep | slept | 睡了→slept |
| speak | spoke | 说了→spoke |
| spend | spent | 花费→spent |
| stand | stood | 站了→stood |
| understand | understood | 理解→understood |
| wear | wore | 穿了→wore |
| write | wrote | 写了→wrote |
| fly | flew | 飞了→flew |
| draw | drew | 画了→drew |
| grow | grew | 长了→grew |
| know | knew | 知道→knew |
| throw | threw | 扔了→threw |
| ride | rode | 骑了→rode |
| drive | drove | 开了→drove |
| ring | rang | 响了→rang |
| sing | sang | 唱了→sang |
| drink | drank | 喝了→drank |
| begin | began | 开始→began |
| choose | chose | 选择→chose |
| fall | fell | 掉落→fell |
| hide | hid | 藏了→hid |
| hold | held | 握住→held |
| hurt | hurt | 拼写不变！ |
| let | let | 拼写不变！ |
| cut | cut | 拼写不变！ |
| hit | hit | 拼写不变！ |
| win | won | 赢了→won |
| bring | brought | 带来→brought |
| fight | fought | 战斗→fought |
| build | built | 建造→built |
| send | sent | 发送→sent |
| lend | lent | 借出→lent |
| mean | meant | 意味着→meant |
| learn | learnt/learned | 两种都对 |
| dream | dreamt/dreamed | 两种都对 |
| burn | burnt/burned | 两种都对 |
| smell | smelt/smelled | 两种都对 |
| spell | spelt/spelled | 两种都对 |
写出下列动词的过去式
从29题练习中总结的常见错误
点击词语组成完整句子，注意语序和大小写
must = 必须、一定 → 表示规则、义务
mustn't = 不准、禁止 → 表示不允许做的事
⚠️ mustn't 不是"不必"，是"禁止"！
could = 过去能、会 → 表示过去的能力
couldn't = 过去不能、不会 → 表示过去没有的能力
⚠️ could 是 can 的过去式！
选择正确的情态动词填空
点击单词显示中文意思，⭐为重点词
看中文写英文
点击单词显示/隐藏中文意思
看中文写英文（Unit 0 词汇）
根据句子描述，写出对应的英文单词
点击单词显示/隐藏中文意思
能够听懂、会说、会认读
理解、熟读、会运用
看中文写英文（四会词+三会词）
点击句子显示/隐藏，熟读每句话
点击单词显示/隐藏中文意思
能够听懂、会说、会认读
理解、熟读、会运用
看中文写英文（四会词+三会词）
点击句子显示/隐藏，熟读每句话
根据场景提示，用 must/mustn't 或 could/couldn't 写句子。写完后点击"查看参考答案"对照检查。
为每个场景写5条规则，使用 must 或 mustn't
提示：get up early / keep room clean / do homework / watch TV late / eat in bed
提示：keep clean / walk on the path / pick flowers / run by the lake / feed animals
提示：listen to teachers / sit well / fight / run / shout / eat in class
提示：be quiet / shout / run / fight / write on books
用 could 或 couldn't 描述过去的能力
句型：When I was young, five years ago, I could / couldn't ...
句型：40 years ago, Superman/Superwoman could ...
句型：He could ... / I could ...